<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title>群组选择器</title>
		<style type="text/css">
		div,.title,#content{text-decoration: line-through;}
		</style>
	</head>
	<body>
		<div>群组选择器1</div>
		<span class="title">群组选择器2</span>
		<span id="content">群组选择器3</span>
	</body>
</html>